Batteries & Other Energy Storage Devices

    August 2025
    TotalEnergies and XING Mobility Join Forces to Scale Advanced Immersion Cooling Battery Technologies Across Electrification Markets

    TotalEnergies and XING Mobility Join Forces to Scale Advanced Immersion Cooling Battery Technologies Across Electrification Markets

    ­TotalEnergies Lubrifiants and XING Mobility, a global pioneer in immersion cooling battery technologies, announced the signing of a Memorandum of Understanding (MOU) to jointly promote cutting-edge immersion cooling battery systems. The collaboration will begin with the optimization and promotion of electrified ma
    . . . Learn More
    Date:
    08/29/2025
    PSDcast – Resilience Drives a Renewed Focus on Energy Storage

    Alex Stapleton, CCO at Alexander Battery Technologies

    ­As renewable energy like wind and solar has become more prominent, energy storage has become ever more critical. But recent incidents like the large-scale blackout in Spain and the recent one in L.A. have shifted the way companies view battery storage – for renewable energy and for business in general. And on
    . . . Learn More
    Date:
    08/20/2025
    The Road to EV Ubiquity

    Kevin Parmenter, Director, Applications Engineering. TSC, America

    ­The electric vehicle (EV) landscape reflects both exciting advances and persistent hurdles. While EV and hybrid adoption accelerates, a persistent lag in infrastructure, policy, and grid limitations creates uncertainty. Beneath the confident predictions of growth by financial analysts lies a murkier reality. In
    . . . Learn More
    Date:
    08/01/2025
    Outdated Battery Measurements Can Impact Vehicle Performance

    Click image to enlarge

    Figure 1: An advanced battery measurement solution with software that creates a dynamic discharge current data collection

    ­In recent years, low-power e-mobility vehicles have become extremely popular as sustainable and efficient modes of transportation. Electric bicycles and scooters offer numerous benefits, including reduced carbon emissions and lower operating costs. However, to fully maximize their potential, it is crucial to
    . . . Learn More
    Date:
    08/01/2025
    The Challenges of On-Board Charging

    Click image to enlarge

    Figure 1: OBC Block Diagram

    ­With its exceptional efficiency and capacity for bi-directional power transfer, the Totem-Pole topology offers a solution for integrating Power Factor Correction (PFC) and inverter functionality effectively. DC-DC topologies like the Dual Active Bridge (DAB) are well suited for battery chargers because of th
    . . . Learn More
    Date:
    08/01/2025
    The Daily Use of  EV Chargers: Human Interface Technology

    Click image to enlarge

    Figure 1: EV parked outside residential home

    ­Automotive manufacturers are increasingly offering a wider selection of EVs to their fleet, which requires a larger quantity of easy-to-use chargers for customers. There are several types of chargers that are currently in use including Level 1, Level 2 and DC fast chargers depending upon their size and capacit
    . . . Learn More
    Date:
    08/01/2025
    Smart Battery Backup for Uninterrupted Energy

    Click image to enlarge

    Figure 1: BBU shelf configuration in an OCP ORV3 architecture

    ­Backup battery shelves play a key role by serving as the foundation of these systems, acting as the basis hub for the efficient storage of battery backup units (BBU) and creating a link that increases the readiness of critical power reserves. Their primary goal is to accommodate and manage up to six BBU mo
    . . . Learn More
    Date:
    08/01/2025
    Why Accurate Cell Data Matters  in Battery SoC and SoH Determination

    Click image to enlarge

    Figure 1: The test procedure undertaken by the white paper

    ­As SoC and SoH cannot be directly measured, various methods of computational complexity are used to determine their values. The accuracy of quantifiable metrics—temperature, voltage, and current—and the synchronization of data captured for all cells are critical inputs for the algorithms used to determine ov
    . . . Learn More
    Date:
    08/01/2025
    8 EV Challenges of Converting High Voltage to SELV

    Click image to enlarge

    Figure 1: Sine Amplitude Converter (SAC) power modules, like the BCM6135, can be used in place of regulated DC-DC converters to reduce size and for higher efficiency. BCM6135 bench measurement efficiency at 25°C shows a peak efficiency around 97.5% at half load

    The shift to 800V electric vehicle (EV) battery architectures is inspired by the need to increase charging rates, reduce resistive losses (I2R), and improve drivetrain efficiency. In parallel, zonal electrical architectures are emerging, using 48V local buses to reduce harness weight. Converting 800V high-voltage (H
    . . . Learn More
    Date:
    08/01/2025
    Electrification has Fully Arrived

    Jason Lomberg, North American Editor, PSD

    ­Welcome to the August issue! And a most insincere salutations to this endless heatwave which may or may not be connected to global warming but is definitely unwanted, unwelcome, and unbearable! As I write this, we’re less than a month into summer, and I’m already begging for fall! In any case, we’ve got a
    . . . Learn More
    Date:
    08/01/2025
    Archive

    Power Systems Design

    146 Charles Street
    Annapolis, Maryland 21401 USA

    Power Systems Design

    Power Systems Design is a leading global media platform serving the power electronics design engineering community. It delivers in-depth technical content, industry news, and product insights to engineers and decision-makers developing advanced power systems and technologies.

    Published 12× per year across North America and Europe, Power Systems Design is distributed through online and fully digital editions, complemented by eNewsletters, webinars, and multimedia content. The platform covers key areas including power conversion, semiconductors, renewable energy, automotive electrification, AI power systems, and industrial applications—supporting innovation across the global electronics industry.